Chemical Properties of Zirconium and Iridium
Chemical Properties
Chemical Formula
Zr
Ir
Isotopes
Known Isotopes
24
15
34
5
Electronegativity
Pauling Electronegativity
1.33
30
2.20
4
Sanderson Electronegativity
0.90
25
Not Available
Allred Rochow Electronegativity
1.22
26
1.55
11
Allen Electronegativity
1.32
34
1.68
17
Electropositivity
Pauling Electropositivity
2.67
24
1.80
99+
Ionization Energies
1st Energy Level
640.10 kJ/mol
99+
880.00 kJ/mol
9
2nd Energy Level
1,270.00 kJ/mol
99+
1,600.00 kJ/mol
35
3rd Energy Level
2,218.00 kJ/mol
99+
Not Available
4th Energy Level
3,313.00 kJ/mol
99+
Not Available
5th Energy Level
7,752.00 kJ/mol
10
Not Available
6th Energy Level
9,500.00 kJ/mol
15
Not Available
Electrochemical Equivalent
0.85 g/amp-hr
99+
1.14 g/amp-hr
99+
Electron Work Function
4.05 eV
26
4.55 eV
13
Other Chemical Properties
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
Flammable, Ionization, Radioactive Isotopes, Radioactivity
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